Volatile organic compound sensing device suitable for high temperature and high pressure

Abstract

The utility model provides a volatile organic compound sensing device suitable for high temperature and high pressure, which comprises a bottom plate, a light source assembly, a light source protection cover, a block-shaped air chamber, a first O-shaped ring, a first transmission window, a first filter, a first detector, a support, a tubular air chamber, a tubular air chamber pressing plate, a second transmission window, a second O-shaped ring, a second filter, a second detector and a bridge printed circuit board are arranged on the bottom plate. The light source protection cover is arranged close to the light source assembly, the block-shaped air chamber is arranged close to the light source assembly, the first O-shaped ring is arranged close to the block-shaped air chamber, the first transmission window is arranged close to the first O-shaped ring, and the first filter is arranged close to the first transmission window. By adopting the blocky air chamber, the tubular air chamber and the plurality of detectors, the detection accuracy can be effectively improved by multiple measurements, and meanwhile, the influence of high temperature on the light source assembly is reduced by adopting the light source protection cover made of nickel-based alloy, so that the precision is improved.

Description

Technical Field

[0001] The utility model relates to the field of environmental protection instruments, in particular to a volatile organic compound sensing device suitable for high temperature and high pressure. Background Art

[0002] Volatile organic compounds (VOCs) have a wide range of sources, including emissions from petrochemicals, natural gas processing, landfills, and incinerators. They can cause headaches, nausea, vomiting, weakness, and other discomfort. In severe cases, they can lead to convulsions, coma, and memory loss. Long-term exposure to or inhalation of certain VOCs can also cause cancer, making monitoring and control of VOCs a key environmental protection priority. These scenarios involve high temperatures and high pressures, which significantly reduce the lifespan and accuracy of sensor devices. Utility Model Content

[0003] The purpose of the present utility model is to solve the above-mentioned problems and provide a volatile organic compound sensing device suitable for high temperature and high pressure. By adopting a block gas chamber, a tubular gas chamber and multiple detectors, multiple measurements can effectively improve the accuracy of detection. At the same time, the use of a light source protection cover made of nickel-based alloy parts can reduce the impact of high temperature on the light source component, thereby improving accuracy.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions.

[0005] A volatile organic compound sensing device suitable for high temperature and high pressure includes a base plate, on which are arranged a light source assembly, a light source protective cover, a block gas chamber, a first O-ring, a first transmission window, a first filter, a first detector, a bracket, a tubular gas chamber, a tubular gas chamber pressure plate, a second transmission window, a second O-ring, a second filter, a second detector, and a bridge printed circuit board; the light source protective cover is arranged near the light source assembly, the block gas chamber is arranged near the light source assembly, the first O-ring is arranged near the block gas chamber, the first transmission window is arranged near the first O-ring, the first filter is arranged near the first transmission window, the first detector is arranged near the first filter, the bracket is arranged near the first detector, the tubular gas chamber is arranged near the bracket, the tubular gas chamber pressure plate is arranged near the tubular gas chamber, the second O-ring is arranged near the tubular gas chamber, the second transmission window is arranged near the second O-ring, the second filter is arranged near the second transmission window, and the second detector is arranged near the second filter; and the bridge printed circuit board is connected to the light source assembly, the first detector, and the second detector.

[0006] Furthermore, the light source assembly is threadedly connected to the base plate.

[0007] Furthermore, the first detector is threadedly connected to the base plate.

[0008] Furthermore, the second detector is threadedly connected to the base plate.

[0009] Furthermore, the tubular air chamber matches the outer shape of the tubular air chamber pressure plate.

[0010] Furthermore, the light source protection cover is made of nickel-based alloy.

[0011] The positive effects of the volatile organic compound sensing device of the utility model applicable to high temperature and high pressure are:

[0012] The utility model adopts a block-shaped air chamber, a tubular air chamber and multiple detectors, and multiple measurements can effectively improve the accuracy of detection. At the same time, the light source protection cover made of nickel-based alloy parts reduces the impact of high temperature on the light source component, thereby improving precision. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram provided by an embodiment of the present utility model.

[0014] The numbers in the figure are:

[0015] 1. Base plate; 2. Light source assembly; 3. Light source protective cover; 4. Block-shaped air chamber; 5. First O-ring; 6. First transmission window; 7. First filter; 8. First detector; 9. Bracket; 10. Tubular air chamber; 11. Tubular air chamber pressure plate; 12. Second transmission window; 13. Second O-ring; 14. Second filter; 15. Second detector; 16. Bridge printed circuit board. DETAILED DESCRIPTION

[0016] The following is a specific implementation of the volatile organic compound sensor device suitable for high temperature and high pressure of the present invention, in conjunction with the accompanying drawings. However, it should be noted that the specific implementation is not intended to limit the specific implementation of the present invention. All similar structures and similar variations of the present invention should be included in the scope of protection of the present invention. The following descriptions of the embodiments are with reference to the attached drawings to illustrate specific embodiments in which the present invention can be implemented. The directional terms mentioned in the embodiments, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., are only with reference to the directions of the attached drawings. Therefore, the directional terms used are used to illustrate and understand the present invention, rather than to limit the present invention.

[0017] See also Figure 1A volatile organic compound sensing device suitable for high temperature and high pressure includes a base plate 1, on which are arranged a light source assembly 2, a light source protection cover 3, a block gas chamber 4, a first O-ring 5, a first transmission window 6, a first filter 7, a first detector 8, a bracket 9, a tubular gas chamber 10, a tubular gas chamber pressure plate 11, a second transmission window 12, a second O-ring 13, a second filter 14, a second detector 15 and a bridge printed circuit board 16; the light source protection cover 3 is arranged close to the light source assembly 2, the block gas chamber 4 is arranged close to the light source assembly 2, the first O-ring 5 is arranged close to the block gas chamber 4, the first transmission window 6 is arranged close to the first O-ring 5, and the The first filter 7 is disposed near the first transmission window 6, the first detector 8 is disposed near the first filter 7, the bracket 9 is disposed near the first detector 8, the tubular air chamber 10 is disposed near the bracket 9, the tubular air chamber pressure plate 11 is disposed near the tubular air chamber 10, the second O-ring 13 is disposed near the tubular air chamber 10, the second transmission window 12 is disposed near the second O-ring 13, the second filter 14 is disposed near the second transmission window 12, the second detector 15 is disposed near the second filter 14, and the bridge printed circuit board 16 is connected to the light source assembly 2, the first detector 8, and the second detector 15. The first detector 8 and the second detector 15 are used to detect relevant data of volatile organic compounds.

[0018] The light source assembly 2 is threadedly connected to the base plate 1. In the figure, the light source assembly 2 is located above the base plate 1 and to the left of the block-shaped air chamber 4. The bridge printed circuit board 16 interconnects the electronic components and acts as a relay for transmission. The first filter 7 and the second filter 14 are membrane filters. The first O-ring 5 and the second O-ring 13 act as seals. Specifically, the first O-ring 5 seals between the block-shaped air chamber 4 and the first transmission window 6; the second O-ring 13 seals between the second transmission window 12 and the tubular air chamber 10. Two second O-rings 13 and two second transmission windows 12 are respectively provided at each end of the tubular air chamber 10, with the second O-ring 13 being located on the side closest to the tubular air chamber 10. The first detector 8 is threadedly connected to the base plate 1, and the second detector 15 is threadedly connected to the base plate 1.

[0019] The block-shaped air chamber 4 and the tubular air chamber 10 can reduce environmental interference. The measurement environment may contain a large amount of heat sources, which can significantly affect the measurement results of the first detector 8 and the second detector 15. By using the block-shaped air chamber 4 and the tubular air chamber 10, the measurement area can be enclosed. The internal space of the block-shaped air chamber 4 and the tubular air chamber 10 can provide a relatively stable temperature field, reduce the influence of external heat radiation, and improve measurement accuracy.

[0020] The tubular air chamber 10 matches the tubular air chamber pressure plate 11 in shape, and the shape of the bracket 9 matches the shape of the tubular air chamber 10. The tubular air chamber pressure plate 11 fixes the tubular air chamber 10 to the bracket 9 by screws. The light source protection cover 3 is made of nickel-based alloy.

[0021] The utility model can effectively improve the detection accuracy by adopting the block air chamber 4, the tubular air chamber 10 and multiple detectors. At the same time, the light source protection cover 3 made of nickel-based alloy can reduce the impact of high temperature on the light source component 2, thereby improving the accuracy.

Claims

1. A volatile organic compound sensing device suitable for high temperature and high pressure, characterized in that: The invention comprises a base plate, on which are arranged a light source assembly, a light source protection cover, a block air chamber, a first O-ring, a first transmission window, a first filter, a first detector, a bracket, a tubular air chamber, a tubular air chamber pressure plate, a second transmission window, a second O-ring, a second filter, a second detector and a bridge printed circuit board; the light source protection cover is arranged close to the light source assembly, the block air chamber is arranged close to the light source assembly, the first O-ring is arranged close to the block air chamber, the first transmission window is arranged close to the first O-ring, the first filter is arranged close to the first transmission window, the first detector is arranged close to the first filter, the bracket is arranged close to the first detector, the tubular air chamber is arranged close to the bracket, the tubular air chamber pressure plate is arranged close to the tubular air chamber, the second O-ring is arranged close to the tubular air chamber, the second transmission window is arranged close to the second O-ring, the second filter is arranged close to the second transmission window, the second detector is arranged close to the second filter, and the bridge printed circuit board is connected to the light source assembly, the first detector and the second detector.

2. The volatile organic compound sensing device suitable for high temperature and high pressure according to claim 1, characterized in that: The light source assembly is threadedly connected to the base plate.

3. The volatile organic compound sensing device suitable for high temperature and high pressure according to claim 1, characterized in that: The first detector is threadedly connected to the base plate.

4. The volatile organic compound sensing device suitable for high temperature and high pressure according to claim 1, characterized in that: The second detector is threadedly connected to the base plate.

5. The volatile organic compound sensing device suitable for high temperature and high pressure according to claim 1, characterized in that: The tubular air chamber is matched with the outer shape of the tubular air chamber pressure plate.

6. The volatile organic compound sensing device suitable for high temperature and high pressure according to claim 1, characterized in that: The light source protection cover is made of nickel-based alloy.

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